Sleeping Bag Liners

Featured review by DLK37086

I can't believe no one has reviewed these liners! This is one of the best liners on the market! I have two of these, and I've had them for several years. They cost less, are lighter, more comfortable, easier to get in and out of, and out-perform the Sea To Summit Reactor (I have one of those, also). I highly recommend this liner to anyone that doesn't have a liner, and also to those who have the Reactor and are ready for a better liner.

--> Before I start the review, let's get the education and words to the wise out of the way: Always, always, ALWAYS use a sleeping bag liner! A sleeping bag is an investment, usually an expensive investment. The insulation in a sleeping bag, whether down or synthetic, has to be able to create dead-air space to keep the warm air in and cold air out. A bag's insulating efficiency is dependent upon its ability to "loft". "Loft" is the "fluffiness" of the insulation, and is what creates that dead-air space.

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Featured review by Utah Backpacker

True-to-spec 15°F of added warmth and lightweight make this bag liner a winner. It's better than my old silk bag liner in that it's lighter and the moths don't like it.

I'll start by saying this doesn't seem to be a true "mummy" liner in that it doesn't have the traditionally small mummy footbox. That really doesn't matter — what matters most is that it's warm! In fact, I can't believe how warm it is and I'd swear it adds more that 15° F to your bag. I thought I liked my old silk bag liner even though I hated the way it always felt cold when I first crawled in.  But, it kept me warm most of the time. Last winter, I didn't store my old liner in a cedar chest or with mothballs and the moths had a field day with it.

Read more: Sea to Summit Reactor Thermolite Liner reviews (10)

Featured review by The Cedar Journal

Perfect for traveling and staying in hotel conditions where they use harsh laundry soaps.

I purchased this Sea to Summit item on a recent trip to GA to use to give me a barrier to the harsh laundry soaps used in the hotel I was staying in. I have travelled for a couple of years with a larger lightweight sleeping bag, but it was taking up too much space in my one piece of luggage. This was an expensive switch to a newer lighter weight and smaller solution, but one I am happy to say was a perfect solution for someone like me with a skin allergy issue that rears its ugly head every time I travel and stay in a hotel.

Read more: Sea to Summit Premium Silk Travel Liner reviews (2)

Featured review by Andy Gotto

Limited warmth, but soft and comfortable to sleep in.

I bought this product last winter to help out the warmth in a cheap sleeping bag, which it did slightly. Sea to Summit claims it will improve warmth up to 25 degrees F. I would guess this liner adds maybe 10 degrees of warmth. I'm a big fan of Sea to Summit products in general, some seem a bit gimmicky or overbuilt but everything I've seen is well made, quality stuff. And this liner is no exception. The liner is basically a soft fleece/flannel sheet, and it feels great on the skin. It's plenty long at 7 feet, and the material could probably be stretched even more to accommodate the average NBA player.

Read more: Sea to Summit Reactor Plus Thermolite Liner reviews (3)

Reviewed by Oliver Brotherton

A ightweight and compact liner that improves insulation and protects the inside of a sleeping bag. Can also be used on its own for really hot muggy nights.

I always use a liner as part of my layered sleep system. Foremost, it gives the inside of the bag a degree of protection, especially on longer walks where access to washing facilities is limited. Additionally, it actually does improve the insulating properties of a sleeping bag by a couple of degrees —I really notice the difference with and without, so it is a cheap and effective way to get the best out of your sleeping bag. Equally, in really warm and muggy nights I just sleep in the liner which I find very comfortable.  It is mummy shaped to fit the inside of a bag neatly.

Read more: Lifeventure Silk Sleeping Bag Liner review (1)

Featured review by Jessica Berry

I got this originally for a cross-country travel as I was going to be in a car half the time and in hotels the other half of the time. I got it to have the ability to have a great, warm night's sleep no matter where I ended up on my travels. This has multi-use functions and is great for camping, car camping, hotels, hostels, etc. I would suggest to pick one up as they are not that expensive and great to have around even if the heat in your apartment goes out for a day or two. So many uses and a must have!

Read more: Jag Bags Silk Sleeping Bag Liner reviews (2)

Reviewed by Newfiebound

This product is well constructed and performs extremely well. It is lightweight and well worth the additional weight in the winter setting.

I have ventured into winter backpacking and after my first three-day trip and an extra 10 pounds to my pack gained from my sleeping bag a barrier was in order. Originally going to make one, but this one made of the same material I had gotten design for and I could not make it for that price. Well constructed and keep my bag dry and keeps me dry and warm. Compared to my first trip I was much drier and warmer using this vapor barrier than no barrier. Little hard getting used to sleeping on the material which was the only hurdle to overcome.

Read more: Equinox Vapor Barrier Liner review (1)

Reviewed by Dirtwheels

Magical little silver dots in a lightweight package in a 10 oz. large grapefruit package promise added warmth. And those little silver dots pretty much deliver as advertised. In my last overnighter I was comfortable at 55° using a 40° under quilt in my hammock.

After a little experimentation I'm pretty convinced that those little silver dots are a welcome addition to the bag liner. I really hate to perspire while I sleep. It makes for a long night that usually ends around 4:30 for me and makes the morning somewhat less enjoyable, at least until I'm up and around for a while. So the breathable nature of this liner really helps with that and those little silver dots appear to do a nice job of adding warmth to the simple sleeve of cloth. Since it is a sleeve it is not as hammock friendly as I would like and this fall I plan on modifying the liner by cutting a horizontal slit across the bottom of the bag similar to what Therm-a-Rest did with its Haven bag.

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Reviewed by Nick Mesarhakis

A good stretchy thin liner from Sea to Summit.

I bought this liner two years ago and have used it on several occasions. The Adaptor Traveller differentiates from the Adaptor model by a pillowcase that comes in handy when unsure about a pillow other than yours. Therefore possibly a little heavier too. Mine was 305gr with its carrying bag.It features a very thin stretchy Coolmax fabric that won't give up on a restless sleep due to its elasticity. So no tears when you wake up. It is comfortable! Like sleeping in cotton comfortable! And breathable and wicking (Coolmax delivers) so you don't get that sticky feeling in the summer season.

Read more: Sea to Summit Adaptor Traveller review (1)